ZIEGLER TYPE CATALYST SYSTEM

U.S. 18,418 A new improved Ziegler type catalyst system for alpha-olefin type polymerization includes R'3Y or R'2YX and mixtures thereof, at least one Group IVB-VIII transition metal halide and an alkyl metal compound selected from R'2YNR2 and R'XYNR2, wherein Y is Al, Ga or In....

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Bibliographische Detailangaben
1. Verfasser:	LANGER, ARTHUR W., JR
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	CHEMISTRY COMPOSITIONS BASED THEREON MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-UP
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Zusammenfassung:	U.S. 18,418 A new improved Ziegler type catalyst system for alpha-olefin type polymerization includes R'3Y or R'2YX and mixtures thereof, at least one Group IVB-VIII transition metal halide and an alkyl metal compound selected from R'2YNR2 and R'XYNR2, wherein Y is Al, Ga or In. The improved catalyst system provides increased polymerization activity without significantly affecting the crystallinity of the polymer.